440198619 has 32 divisors (see below), whose sum is σ = 683664384. Its totient is φ = 246758400.

The previous prime is 440198609. The next prime is 440198653. The reversal of 440198619 is 916891044.

It is not a de Polignac number, because 440198619 - 2¹¹ = 440196571 is a prime.

It is a super-2 number, since 2×440198619² = 387549648339014322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440198609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243519 + ... + 245319.

It is an arithmetic number, because the mean of its divisors is an integer number (21364512).

Almost surely, 2^440198619 is an apocalyptic number.

440198619 is a deficient number, since it is larger than the sum of its proper divisors (243465765).

440198619 is a wasteful number, since it uses less digits than its factorization.

440198619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 440198619 is about 20980.9108238894. The cubic root of 440198619 is about 760.7049201808.

The spelling of 440198619 in words is "four hundred forty million, one hundred ninety-eight thousand, six hundred nineteen".